| 1
.
| Right pulmonary artery (cut off) |
| 2
.
| Right main bronchus |
| 3
.
| Bronchus of middle right lobe (retracted laterally) |
| 4
.
| Right inferior lobe bronchus |
| 5
.
| Superior segmental bronchus |
| 6
.
| Interlobar surface lower lobe |
| 7
.
| Medial basal segmental bronchus |
| 8
.
| Anterior basal segmental bronchus |
| 9
.
| Lateral basal segmental bronchus (pointers on lateral and basal branches) |
| 10
.
| Medial basal segmental bronchus (left pointer, anterior branch; right pointer, medial branch) |
| 11
.
| Diaphragmatic surface lower lobe |
| 12
.
| Bronchopulmonary lymph node |
| 13
.
| Left superior pulmonary vein |
| 14
.
| Left atrium |
| 15
.
| Posterior basal segmental bronchus |
| 16
.
| Left inferior pulmonary vein |
| 17
.
| Right inferior pulmonary vein (note upper and lower branches into lower lobe) |
| 18
.
| Pericardium |
| 19
.
| Inferior vena cava |
